Finding the Fourth Proportional to 101,304.32, 139,793.00 and 55,981.88

Step by Step Solution

1. Step 1: Write the proportion equation
   101,304.32 : 139,793.00 = 55,981.88 : x
2. Step 2: Convert to fraction form
   101,304.32/139,793.00 = 55,981.88/x
3. Step 3: Cross multiply
   101,304.32x = 139,793.00 × 55,981.88
4. Step 4: Simplify right side
   101,304.32x = 7,825,873,971.97
5. Step 5: Solve for x
   x = 7,825,873,971.97/101,304.32
6. Step 6: Final answer
   x = 77,251.14